how to separate objects in binary image?

2014 8 13
1 个回答
更新时间：2016 6 14
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1 个投票

Hello,
I have binary images representing ROIs as the one attached. In this example is is clearly seen that there are 3 ROIs, 3 closed polygons. I want to separate those ROIs in order to assign a label to each one.
I've tried using bwlabel but the problem is that ROI1 and ROI3 have some connected pixels, so I can separate ROI2 but not ROI1 and ROI3.
Any recommendations of how to do this?

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回答（1 个）

Nitin
Nitin 2014-8-13

0 个投票

Your should check regionprops and morphological processing.
One simple way would be by computing the area of each region and selecting the region of interest.

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